Home / 783,195.77-1,080,601.79-451,967.78

Finding the Fourth Proportional to 783,195.77, 1,080,601.79 and 451,967.78

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Solution

The fourth proportional to 783,195.77, 1,080,601.79 and 451,967.78 is: 623,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,195.77 : 1,080,601.79 = 451,967.78 : x
  2. Step 2: Convert to fraction form
    783,195.77/1,080,601.79 = 451,967.78/x
  3. Step 3: Cross multiply
    783,195.77x = 1,080,601.79 × 451,967.78
  4. Step 4: Simplify right side
    783,195.77x = 488,397,184,427.48
  5. Step 5: Solve for x
    x = 488,397,184,427.48/783,195.77
  6. Step 6: Final answer
    x = 623,595.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.